4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
33 /* Needed early for CONFIG_BSD etc. */
34 #include "config-host.h"
38 #include <sys/times.h>
42 #include <sys/ioctl.h>
43 #include <sys/resource.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
47 #include <arpa/inet.h>
50 #include <sys/select.h>
54 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
55 #include <sys/sysctl.h>
63 #include <linux/ppdev.h>
64 #include <linux/parport.h>
68 #include "qemu-seccomp.h"
73 #include <sys/ethernet.h>
74 #include <sys/sockio.h>
75 #include <netinet/arp.h>
76 #include <netinet/in_systm.h>
77 #include <netinet/ip.h>
78 #include <netinet/ip_icmp.h> // must come after ip.h
79 #include <netinet/udp.h>
80 #include <netinet/tcp.h>
88 #if defined(CONFIG_VDE)
89 #include <libvdeplug.h>
97 #if defined(__APPLE__) || defined(main)
99 int qemu_main(int argc, char **argv, char **envp);
100 int main(int argc, char **argv)
102 return qemu_main(argc, argv, NULL);
105 #define main qemu_main
107 #endif /* CONFIG_SDL */
111 #define main qemu_main
112 #endif /* CONFIG_COCOA */
117 #include "hw/boards.h"
119 #include "hw/pcmcia.h"
124 #include "hw/watchdog.h"
125 #include "hw/smbios.h"
128 #include "hw/loader.h"
131 #include "net/slirp.h"
136 #include "qemu-timer.h"
137 #include "qemu-char.h"
138 #include "cache-utils.h"
139 #include "blockdev.h"
140 #include "hw/block-common.h"
141 #include "block-migration.h"
143 #include "audio/audio.h"
144 #include "migration.h"
147 #include "qemu-option.h"
148 #include "qemu-config.h"
149 #include "qemu-options.h"
150 #include "qmp-commands.h"
151 #include "main-loop.h"
153 #include "fsdev/qemu-fsdev.h"
159 #include "qemu_socket.h"
161 #include "slirp/libslirp.h"
164 #include "trace/control.h"
165 #include "qemu-queue.h"
167 #include "arch_init.h"
170 #include "ui/qemu-spice.h"
173 //#define DEBUG_SLIRP
175 #define DEFAULT_RAM_SIZE 128
177 #define MAX_VIRTIO_CONSOLES 1
179 static const char *data_dir;
180 const char *bios_name = NULL;
181 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
182 DisplayType display_type = DT_DEFAULT;
183 int display_remote = 0;
184 const char* keyboard_layout = NULL;
186 const char *mem_path = NULL;
188 int mem_prealloc = 0; /* force preallocation of physical target memory */
191 NICInfo nd_table[MAX_NICS];
193 static int rtc_utc = 1;
194 static int rtc_date_offset = -1; /* -1 means no change */
195 QEMUClock *rtc_clock;
196 int vga_interface_type = VGA_NONE;
197 static int full_screen = 0;
199 static int no_frame = 0;
202 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
203 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
204 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
205 int win2k_install_hack = 0;
212 const char *vnc_display;
214 int acpi_enabled = 1;
220 int graphic_rotate = 0;
221 const char *watchdog;
222 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
224 int semihosting_enabled = 0;
226 const char *qemu_name;
229 unsigned int nb_prom_envs = 0;
230 const char *prom_envs[MAX_PROM_ENVS];
232 uint8_t *boot_splash_filedata;
233 int boot_splash_filedata_size;
234 uint8_t qemu_extra_params_fw[2];
236 typedef struct FWBootEntry FWBootEntry;
239 QTAILQ_ENTRY(FWBootEntry) link;
245 QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
248 uint64_t node_mem[MAX_NODES];
249 unsigned long *node_cpumask[MAX_NODES];
251 uint8_t qemu_uuid[16];
253 static QEMUBootSetHandler *boot_set_handler;
254 static void *boot_set_opaque;
256 static NotifierList exit_notifiers =
257 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
259 static NotifierList machine_init_done_notifiers =
260 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
262 static int tcg_allowed = 1;
266 enum xen_mode xen_mode = XEN_EMULATE;
267 static int tcg_tb_size;
269 static int default_serial = 1;
270 static int default_parallel = 1;
271 static int default_virtcon = 1;
272 static int default_monitor = 1;
273 static int default_floppy = 1;
274 static int default_cdrom = 1;
275 static int default_sdcard = 1;
276 static int default_vga = 1;
282 { .driver = "isa-serial", .flag = &default_serial },
283 { .driver = "isa-parallel", .flag = &default_parallel },
284 { .driver = "isa-fdc", .flag = &default_floppy },
285 { .driver = "ide-cd", .flag = &default_cdrom },
286 { .driver = "ide-hd", .flag = &default_cdrom },
287 { .driver = "ide-drive", .flag = &default_cdrom },
288 { .driver = "scsi-cd", .flag = &default_cdrom },
289 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
290 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
291 { .driver = "virtio-serial", .flag = &default_virtcon },
292 { .driver = "VGA", .flag = &default_vga },
293 { .driver = "isa-vga", .flag = &default_vga },
294 { .driver = "cirrus-vga", .flag = &default_vga },
295 { .driver = "isa-cirrus-vga", .flag = &default_vga },
296 { .driver = "vmware-svga", .flag = &default_vga },
297 { .driver = "qxl-vga", .flag = &default_vga },
300 const char *qemu_get_vm_name(void)
305 static void res_free(void)
307 if (boot_splash_filedata != NULL) {
308 g_free(boot_splash_filedata);
309 boot_splash_filedata = NULL;
313 static int default_driver_check(QemuOpts *opts, void *opaque)
315 const char *driver = qemu_opt_get(opts, "driver");
320 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
321 if (strcmp(default_list[i].driver, driver) != 0)
323 *(default_list[i].flag) = 0;
328 /***********************************************************/
331 static RunState current_run_state = RUN_STATE_PRELAUNCH;
336 } RunStateTransition;
338 static const RunStateTransition runstate_transitions_def[] = {
340 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
342 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
343 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
345 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
346 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
348 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
349 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
351 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
352 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
354 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
355 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
357 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
358 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
359 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
361 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
362 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
364 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
366 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
367 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
368 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
369 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
370 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
371 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
372 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
373 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
374 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
376 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
378 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
379 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
381 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
382 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
383 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
384 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
386 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
387 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
389 { RUN_STATE_MAX, RUN_STATE_MAX },
392 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
394 bool runstate_check(RunState state)
396 return current_run_state == state;
399 void runstate_init(void)
401 const RunStateTransition *p;
403 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
405 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
406 runstate_valid_transitions[p->from][p->to] = true;
410 /* This function will abort() on invalid state transitions */
411 void runstate_set(RunState new_state)
413 assert(new_state < RUN_STATE_MAX);
415 if (!runstate_valid_transitions[current_run_state][new_state]) {
416 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
417 RunState_lookup[current_run_state],
418 RunState_lookup[new_state]);
422 current_run_state = new_state;
425 int runstate_is_running(void)
427 return runstate_check(RUN_STATE_RUNNING);
430 StatusInfo *qmp_query_status(Error **errp)
432 StatusInfo *info = g_malloc0(sizeof(*info));
434 info->running = runstate_is_running();
435 info->singlestep = singlestep;
436 info->status = current_run_state;
441 /***********************************************************/
442 /* real time host monotonic timer */
444 /***********************************************************/
445 /* host time/date access */
446 void qemu_get_timedate(struct tm *tm, int offset)
453 if (rtc_date_offset == -1) {
457 ret = localtime(&ti);
459 ti -= rtc_date_offset;
463 memcpy(tm, ret, sizeof(struct tm));
466 int qemu_timedate_diff(struct tm *tm)
470 if (rtc_date_offset == -1)
472 seconds = mktimegm(tm);
475 tmp.tm_isdst = -1; /* use timezone to figure it out */
476 seconds = mktime(&tmp);
479 seconds = mktimegm(tm) + rtc_date_offset;
481 return seconds - time(NULL);
484 void rtc_change_mon_event(struct tm *tm)
488 data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
489 monitor_protocol_event(QEVENT_RTC_CHANGE, data);
490 qobject_decref(data);
493 static void configure_rtc_date_offset(const char *startdate, int legacy)
495 time_t rtc_start_date;
498 if (!strcmp(startdate, "now") && legacy) {
499 rtc_date_offset = -1;
501 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
509 } else if (sscanf(startdate, "%d-%d-%d",
521 rtc_start_date = mktimegm(&tm);
522 if (rtc_start_date == -1) {
524 fprintf(stderr, "Invalid date format. Valid formats are:\n"
525 "'2006-06-17T16:01:21' or '2006-06-17'\n");
528 rtc_date_offset = time(NULL) - rtc_start_date;
532 static void configure_rtc(QemuOpts *opts)
536 value = qemu_opt_get(opts, "base");
538 if (!strcmp(value, "utc")) {
540 } else if (!strcmp(value, "localtime")) {
543 configure_rtc_date_offset(value, 0);
546 value = qemu_opt_get(opts, "clock");
548 if (!strcmp(value, "host")) {
549 rtc_clock = host_clock;
550 } else if (!strcmp(value, "rt")) {
551 rtc_clock = rt_clock;
552 } else if (!strcmp(value, "vm")) {
553 rtc_clock = vm_clock;
555 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
559 value = qemu_opt_get(opts, "driftfix");
561 if (!strcmp(value, "slew")) {
562 static GlobalProperty slew_lost_ticks[] = {
564 .driver = "mc146818rtc",
565 .property = "lost_tick_policy",
568 { /* end of list */ }
571 qdev_prop_register_global_list(slew_lost_ticks);
572 } else if (!strcmp(value, "none")) {
573 /* discard is default */
575 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
581 /***********************************************************/
582 /* Bluetooth support */
585 static struct HCIInfo *hci_table[MAX_NICS];
587 static struct bt_vlan_s {
588 struct bt_scatternet_s net;
590 struct bt_vlan_s *next;
593 /* find or alloc a new bluetooth "VLAN" */
594 static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
596 struct bt_vlan_s **pvlan, *vlan;
597 for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
601 vlan = g_malloc0(sizeof(struct bt_vlan_s));
603 pvlan = &first_bt_vlan;
604 while (*pvlan != NULL)
605 pvlan = &(*pvlan)->next;
610 static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
614 static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
619 static struct HCIInfo null_hci = {
620 .cmd_send = null_hci_send,
621 .sco_send = null_hci_send,
622 .acl_send = null_hci_send,
623 .bdaddr_set = null_hci_addr_set,
626 struct HCIInfo *qemu_next_hci(void)
628 if (cur_hci == nb_hcis)
631 return hci_table[cur_hci++];
634 static struct HCIInfo *hci_init(const char *str)
637 struct bt_scatternet_s *vlan = 0;
639 if (!strcmp(str, "null"))
642 else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
644 return bt_host_hci(str[4] ? str + 5 : "hci0");
645 else if (!strncmp(str, "hci", 3)) {
648 if (!strncmp(str + 3, ",vlan=", 6)) {
649 vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
654 vlan = qemu_find_bt_vlan(0);
656 return bt_new_hci(vlan);
659 fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
664 static int bt_hci_parse(const char *str)
669 if (nb_hcis >= MAX_NICS) {
670 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
683 bdaddr.b[5] = 0x56 + nb_hcis;
684 hci->bdaddr_set(hci, bdaddr.b);
686 hci_table[nb_hcis++] = hci;
691 static void bt_vhci_add(int vlan_id)
693 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
696 fprintf(stderr, "qemu: warning: adding a VHCI to "
697 "an empty scatternet %i\n", vlan_id);
699 bt_vhci_init(bt_new_hci(vlan));
702 static struct bt_device_s *bt_device_add(const char *opt)
704 struct bt_scatternet_s *vlan;
706 char *endp = strstr(opt, ",vlan=");
707 int len = (endp ? endp - opt : strlen(opt)) + 1;
710 pstrcpy(devname, MIN(sizeof(devname), len), opt);
713 vlan_id = strtol(endp + 6, &endp, 0);
715 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
720 vlan = qemu_find_bt_vlan(vlan_id);
723 fprintf(stderr, "qemu: warning: adding a slave device to "
724 "an empty scatternet %i\n", vlan_id);
726 if (!strcmp(devname, "keyboard"))
727 return bt_keyboard_init(vlan);
729 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
733 static int bt_parse(const char *opt)
735 const char *endp, *p;
738 if (strstart(opt, "hci", &endp)) {
739 if (!*endp || *endp == ',') {
741 if (!strstart(endp, ",vlan=", 0))
744 return bt_hci_parse(opt);
746 } else if (strstart(opt, "vhci", &endp)) {
747 if (!*endp || *endp == ',') {
749 if (strstart(endp, ",vlan=", &p)) {
750 vlan = strtol(p, (char **) &endp, 0);
752 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
756 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
765 } else if (strstart(opt, "device:", &endp))
766 return !bt_device_add(endp);
768 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
772 static int parse_sandbox(QemuOpts *opts, void *opaque)
774 /* FIXME: change this to true for 1.3 */
775 if (qemu_opt_get_bool(opts, "enable", false)) {
776 #ifdef CONFIG_SECCOMP
777 if (seccomp_start() < 0) {
778 qerror_report(ERROR_CLASS_GENERIC_ERROR,
779 "failed to install seccomp syscall filter in the kernel");
783 qerror_report(ERROR_CLASS_GENERIC_ERROR,
784 "sandboxing request but seccomp is not compiled into this build");
792 /*********QEMU USB setting******/
793 bool usb_enabled(bool default_usb)
796 mach_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
798 return qemu_opt_get_bool(mach_opts, "usb", default_usb);
804 static int parse_add_fd(QemuOpts *opts, void *opaque)
806 int fd, dupfd, flags;
808 const char *fd_opaque = NULL;
810 fd = qemu_opt_get_number(opts, "fd", -1);
811 fdset_id = qemu_opt_get_number(opts, "set", -1);
812 fd_opaque = qemu_opt_get(opts, "opaque");
815 qerror_report(ERROR_CLASS_GENERIC_ERROR,
816 "fd option is required and must be non-negative");
820 if (fd <= STDERR_FILENO) {
821 qerror_report(ERROR_CLASS_GENERIC_ERROR,
822 "fd cannot be a standard I/O stream");
827 * All fds inherited across exec() necessarily have FD_CLOEXEC
828 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
830 flags = fcntl(fd, F_GETFD);
831 if (flags == -1 || (flags & FD_CLOEXEC)) {
832 qerror_report(ERROR_CLASS_GENERIC_ERROR,
833 "fd is not valid or already in use");
838 qerror_report(ERROR_CLASS_GENERIC_ERROR,
839 "set option is required and must be non-negative");
843 #ifdef F_DUPFD_CLOEXEC
844 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
848 qemu_set_cloexec(dupfd);
852 qerror_report(ERROR_CLASS_GENERIC_ERROR,
853 "Error duplicating fd: %s", strerror(errno));
857 /* add the duplicate fd, and optionally the opaque string, to the fd set */
858 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
864 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
868 fd = qemu_opt_get_number(opts, "fd", -1);
875 /***********************************************************/
876 /* QEMU Block devices */
878 #define HD_OPTS "media=disk"
879 #define CDROM_OPTS "media=cdrom"
881 #define PFLASH_OPTS ""
885 static int drive_init_func(QemuOpts *opts, void *opaque)
887 int *use_scsi = opaque;
889 return drive_init(opts, *use_scsi) == NULL;
892 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
894 if (NULL == qemu_opt_get(opts, "snapshot")) {
895 qemu_opt_set(opts, "snapshot", "on");
900 static void default_drive(int enable, int snapshot, int use_scsi,
901 BlockInterfaceType type, int index,
906 if (type == IF_DEFAULT) {
907 type = use_scsi ? IF_SCSI : IF_IDE;
910 if (!enable || drive_get_by_index(type, index)) {
914 opts = drive_add(type, index, NULL, optstr);
916 drive_enable_snapshot(opts, NULL);
918 if (!drive_init(opts, use_scsi)) {
923 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
925 boot_set_handler = func;
926 boot_set_opaque = opaque;
929 int qemu_boot_set(const char *boot_devices)
931 if (!boot_set_handler) {
934 return boot_set_handler(boot_set_opaque, boot_devices);
937 static void validate_bootdevices(char *devices)
939 /* We just do some generic consistency checks */
943 for (p = devices; *p != '\0'; p++) {
944 /* Allowed boot devices are:
945 * a-b: floppy disk drives
946 * c-f: IDE disk drives
947 * g-m: machine implementation dependent drives
948 * n-p: network devices
949 * It's up to each machine implementation to check if the given boot
950 * devices match the actual hardware implementation and firmware
953 if (*p < 'a' || *p > 'p') {
954 fprintf(stderr, "Invalid boot device '%c'\n", *p);
957 if (bitmap & (1 << (*p - 'a'))) {
958 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
961 bitmap |= 1 << (*p - 'a');
965 static void restore_boot_devices(void *opaque)
967 char *standard_boot_devices = opaque;
968 static int first = 1;
970 /* Restore boot order and remove ourselves after the first boot */
976 qemu_boot_set(standard_boot_devices);
978 qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
979 g_free(standard_boot_devices);
982 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
985 FWBootEntry *node, *i;
991 assert(dev != NULL || suffix != NULL);
993 node = g_malloc0(sizeof(FWBootEntry));
994 node->bootindex = bootindex;
995 node->suffix = suffix ? g_strdup(suffix) : NULL;
998 QTAILQ_FOREACH(i, &fw_boot_order, link) {
999 if (i->bootindex == bootindex) {
1000 fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
1002 } else if (i->bootindex < bootindex) {
1005 QTAILQ_INSERT_BEFORE(i, node, link);
1008 QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
1012 * This function returns null terminated string that consist of new line
1013 * separated device paths.
1015 * memory pointed by "size" is assigned total length of the array in bytes
1018 char *get_boot_devices_list(uint32_t *size)
1024 QTAILQ_FOREACH(i, &fw_boot_order, link) {
1025 char *devpath = NULL, *bootpath;
1029 devpath = qdev_get_fw_dev_path(i->dev);
1033 if (i->suffix && devpath) {
1034 size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
1036 bootpath = g_malloc(bootpathlen);
1037 snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
1039 } else if (devpath) {
1043 bootpath = g_strdup(i->suffix);
1047 list[total-1] = '\n';
1049 len = strlen(bootpath) + 1;
1050 list = g_realloc(list, total + len);
1051 memcpy(&list[total], bootpath, len);
1061 static void numa_add(const char *optarg)
1065 unsigned long long value, endvalue;
1068 value = endvalue = 0ULL;
1070 optarg = get_opt_name(option, 128, optarg, ',') + 1;
1071 if (!strcmp(option, "node")) {
1072 if (get_param_value(option, 128, "nodeid", optarg) == 0) {
1073 nodenr = nb_numa_nodes;
1075 nodenr = strtoull(option, NULL, 10);
1078 if (get_param_value(option, 128, "mem", optarg) == 0) {
1079 node_mem[nodenr] = 0;
1082 sval = strtosz(option, &endptr);
1083 if (sval < 0 || *endptr) {
1084 fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
1087 node_mem[nodenr] = sval;
1089 if (get_param_value(option, 128, "cpus", optarg) != 0) {
1090 value = strtoull(option, &endptr, 10);
1091 if (*endptr == '-') {
1092 endvalue = strtoull(endptr+1, &endptr, 10);
1097 if (!(endvalue < MAX_CPUMASK_BITS)) {
1098 endvalue = MAX_CPUMASK_BITS - 1;
1100 "A max of %d CPUs are supported in a guest\n",
1104 bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
1110 static void smp_parse(const char *optarg)
1112 int smp, sockets = 0, threads = 0, cores = 0;
1116 smp = strtoul(optarg, &endptr, 10);
1117 if (endptr != optarg) {
1118 if (*endptr == ',') {
1122 if (get_param_value(option, 128, "sockets", endptr) != 0)
1123 sockets = strtoull(option, NULL, 10);
1124 if (get_param_value(option, 128, "cores", endptr) != 0)
1125 cores = strtoull(option, NULL, 10);
1126 if (get_param_value(option, 128, "threads", endptr) != 0)
1127 threads = strtoull(option, NULL, 10);
1128 if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1129 max_cpus = strtoull(option, NULL, 10);
1131 /* compute missing values, prefer sockets over cores over threads */
1132 if (smp == 0 || sockets == 0) {
1133 sockets = sockets > 0 ? sockets : 1;
1134 cores = cores > 0 ? cores : 1;
1135 threads = threads > 0 ? threads : 1;
1137 smp = cores * threads * sockets;
1141 threads = threads > 0 ? threads : 1;
1142 cores = smp / (sockets * threads);
1144 threads = smp / (cores * sockets);
1148 smp_cores = cores > 0 ? cores : 1;
1149 smp_threads = threads > 0 ? threads : 1;
1151 max_cpus = smp_cpus;
1154 /***********************************************************/
1157 static int usb_device_add(const char *devname)
1160 USBDevice *dev = NULL;
1162 if (!usb_enabled(false)) {
1166 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1167 dev = usbdevice_create(devname);
1171 /* the other ones */
1172 #ifndef CONFIG_LINUX
1173 /* only the linux version is qdev-ified, usb-bsd still needs this */
1174 if (strstart(devname, "host:", &p)) {
1175 dev = usb_host_device_open(usb_bus_find(-1), p);
1178 if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1179 dev = usb_bt_init(usb_bus_find(-1),
1180 devname[2] ? hci_init(p)
1181 : bt_new_hci(qemu_find_bt_vlan(0)));
1192 static int usb_device_del(const char *devname)
1197 if (strstart(devname, "host:", &p))
1198 return usb_host_device_close(p);
1200 if (!usb_enabled(false)) {
1204 p = strchr(devname, '.');
1207 bus_num = strtoul(devname, NULL, 0);
1208 addr = strtoul(p + 1, NULL, 0);
1210 return usb_device_delete_addr(bus_num, addr);
1213 static int usb_parse(const char *cmdline)
1216 r = usb_device_add(cmdline);
1218 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1223 void do_usb_add(Monitor *mon, const QDict *qdict)
1225 const char *devname = qdict_get_str(qdict, "devname");
1226 if (usb_device_add(devname) < 0) {
1227 error_report("could not add USB device '%s'", devname);
1231 void do_usb_del(Monitor *mon, const QDict *qdict)
1233 const char *devname = qdict_get_str(qdict, "devname");
1234 if (usb_device_del(devname) < 0) {
1235 error_report("could not delete USB device '%s'", devname);
1239 /***********************************************************/
1240 /* PCMCIA/Cardbus */
1242 static struct pcmcia_socket_entry_s {
1243 PCMCIASocket *socket;
1244 struct pcmcia_socket_entry_s *next;
1245 } *pcmcia_sockets = 0;
1247 void pcmcia_socket_register(PCMCIASocket *socket)
1249 struct pcmcia_socket_entry_s *entry;
1251 entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1252 entry->socket = socket;
1253 entry->next = pcmcia_sockets;
1254 pcmcia_sockets = entry;
1257 void pcmcia_socket_unregister(PCMCIASocket *socket)
1259 struct pcmcia_socket_entry_s *entry, **ptr;
1261 ptr = &pcmcia_sockets;
1262 for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1263 if (entry->socket == socket) {
1269 void pcmcia_info(Monitor *mon)
1271 struct pcmcia_socket_entry_s *iter;
1273 if (!pcmcia_sockets)
1274 monitor_printf(mon, "No PCMCIA sockets\n");
1276 for (iter = pcmcia_sockets; iter; iter = iter->next)
1277 monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1278 iter->socket->attached ? iter->socket->card_string :
1282 /***********************************************************/
1283 /* machine registration */
1285 static QEMUMachine *first_machine = NULL;
1286 QEMUMachine *current_machine = NULL;
1288 int qemu_register_machine(QEMUMachine *m)
1291 pm = &first_machine;
1299 static QEMUMachine *find_machine(const char *name)
1303 for(m = first_machine; m != NULL; m = m->next) {
1304 if (!strcmp(m->name, name))
1306 if (m->alias && !strcmp(m->alias, name))
1312 QEMUMachine *find_default_machine(void)
1316 for(m = first_machine; m != NULL; m = m->next) {
1317 if (m->is_default) {
1324 MachineInfoList *qmp_query_machines(Error **errp)
1326 MachineInfoList *mach_list = NULL;
1329 for (m = first_machine; m; m = m->next) {
1330 MachineInfoList *entry;
1333 info = g_malloc0(sizeof(*info));
1334 if (m->is_default) {
1335 info->has_is_default = true;
1336 info->is_default = true;
1340 info->has_alias = true;
1341 info->alias = g_strdup(m->alias);
1344 info->name = g_strdup(m->name);
1346 entry = g_malloc0(sizeof(*entry));
1347 entry->value = info;
1348 entry->next = mach_list;
1355 /***********************************************************/
1356 /* main execution loop */
1358 static void gui_update(void *opaque)
1360 uint64_t interval = GUI_REFRESH_INTERVAL;
1361 DisplayState *ds = opaque;
1362 DisplayChangeListener *dcl = ds->listeners;
1366 while (dcl != NULL) {
1367 if (dcl->gui_timer_interval &&
1368 dcl->gui_timer_interval < interval)
1369 interval = dcl->gui_timer_interval;
1372 qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1375 struct vm_change_state_entry {
1376 VMChangeStateHandler *cb;
1378 QLIST_ENTRY (vm_change_state_entry) entries;
1381 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1383 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1386 VMChangeStateEntry *e;
1388 e = g_malloc0(sizeof (*e));
1392 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1396 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1398 QLIST_REMOVE (e, entries);
1402 void vm_state_notify(int running, RunState state)
1404 VMChangeStateEntry *e;
1406 trace_vm_state_notify(running, state);
1408 for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1409 e->cb(e->opaque, running, state);
1415 if (!runstate_is_running()) {
1417 runstate_set(RUN_STATE_RUNNING);
1418 vm_state_notify(1, RUN_STATE_RUNNING);
1420 monitor_protocol_event(QEVENT_RESUME, NULL);
1424 /* reset/shutdown handler */
1426 typedef struct QEMUResetEntry {
1427 QTAILQ_ENTRY(QEMUResetEntry) entry;
1428 QEMUResetHandler *func;
1432 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1433 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1434 static int reset_requested;
1435 static int shutdown_requested, shutdown_signal = -1;
1436 static pid_t shutdown_pid;
1437 static int powerdown_requested;
1438 static int debug_requested;
1439 static int suspend_requested;
1440 static int wakeup_requested;
1441 static NotifierList powerdown_notifiers =
1442 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1443 static NotifierList suspend_notifiers =
1444 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1445 static NotifierList wakeup_notifiers =
1446 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1447 static uint32_t wakeup_reason_mask = ~0;
1448 static RunState vmstop_requested = RUN_STATE_MAX;
1450 int qemu_shutdown_requested_get(void)
1452 return shutdown_requested;
1455 int qemu_reset_requested_get(void)
1457 return reset_requested;
1460 int qemu_shutdown_requested(void)
1462 int r = shutdown_requested;
1463 shutdown_requested = 0;
1467 void qemu_kill_report(void)
1469 if (!qtest_enabled() && shutdown_signal != -1) {
1470 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1471 if (shutdown_pid == 0) {
1472 /* This happens for eg ^C at the terminal, so it's worth
1473 * avoiding printing an odd message in that case.
1475 fputc('\n', stderr);
1477 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1479 shutdown_signal = -1;
1483 int qemu_reset_requested(void)
1485 int r = reset_requested;
1486 reset_requested = 0;
1490 static int qemu_suspend_requested(void)
1492 int r = suspend_requested;
1493 suspend_requested = 0;
1497 static int qemu_wakeup_requested(void)
1499 int r = wakeup_requested;
1500 wakeup_requested = 0;
1504 int qemu_powerdown_requested(void)
1506 int r = powerdown_requested;
1507 powerdown_requested = 0;
1511 static int qemu_debug_requested(void)
1513 int r = debug_requested;
1514 debug_requested = 0;
1518 /* We use RUN_STATE_MAX but any invalid value will do */
1519 static bool qemu_vmstop_requested(RunState *r)
1521 if (vmstop_requested < RUN_STATE_MAX) {
1522 *r = vmstop_requested;
1523 vmstop_requested = RUN_STATE_MAX;
1530 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1532 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1535 re->opaque = opaque;
1536 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1539 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1543 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1544 if (re->func == func && re->opaque == opaque) {
1545 QTAILQ_REMOVE(&reset_handlers, re, entry);
1552 void qemu_devices_reset(void)
1554 QEMUResetEntry *re, *nre;
1556 /* reset all devices */
1557 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1558 re->func(re->opaque);
1562 void qemu_system_reset(bool report)
1564 if (current_machine && current_machine->reset) {
1565 current_machine->reset();
1567 qemu_devices_reset();
1570 monitor_protocol_event(QEVENT_RESET, NULL);
1572 cpu_synchronize_all_post_reset();
1575 void qemu_system_reset_request(void)
1578 shutdown_requested = 1;
1580 reset_requested = 1;
1583 qemu_notify_event();
1586 static void qemu_system_suspend(void)
1589 notifier_list_notify(&suspend_notifiers, NULL);
1590 runstate_set(RUN_STATE_SUSPENDED);
1591 monitor_protocol_event(QEVENT_SUSPEND, NULL);
1594 void qemu_system_suspend_request(void)
1596 if (runstate_check(RUN_STATE_SUSPENDED)) {
1599 suspend_requested = 1;
1601 qemu_notify_event();
1604 void qemu_register_suspend_notifier(Notifier *notifier)
1606 notifier_list_add(&suspend_notifiers, notifier);
1609 void qemu_system_wakeup_request(WakeupReason reason)
1611 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1614 if (!(wakeup_reason_mask & (1 << reason))) {
1617 runstate_set(RUN_STATE_RUNNING);
1618 notifier_list_notify(&wakeup_notifiers, &reason);
1619 wakeup_requested = 1;
1620 qemu_notify_event();
1623 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1626 wakeup_reason_mask |= (1 << reason);
1628 wakeup_reason_mask &= ~(1 << reason);
1632 void qemu_register_wakeup_notifier(Notifier *notifier)
1634 notifier_list_add(&wakeup_notifiers, notifier);
1637 void qemu_system_killed(int signal, pid_t pid)
1639 shutdown_signal = signal;
1642 qemu_system_shutdown_request();
1645 void qemu_system_shutdown_request(void)
1647 shutdown_requested = 1;
1648 qemu_notify_event();
1651 static void qemu_system_powerdown(void)
1653 monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1654 notifier_list_notify(&powerdown_notifiers, NULL);
1657 void qemu_system_powerdown_request(void)
1659 powerdown_requested = 1;
1660 qemu_notify_event();
1663 void qemu_register_powerdown_notifier(Notifier *notifier)
1665 notifier_list_add(&powerdown_notifiers, notifier);
1668 void qemu_system_debug_request(void)
1670 debug_requested = 1;
1671 qemu_notify_event();
1674 void qemu_system_vmstop_request(RunState state)
1676 vmstop_requested = state;
1677 qemu_notify_event();
1680 static bool main_loop_should_exit(void)
1683 if (qemu_debug_requested()) {
1684 vm_stop(RUN_STATE_DEBUG);
1686 if (qemu_suspend_requested()) {
1687 qemu_system_suspend();
1689 if (qemu_shutdown_requested()) {
1691 monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1693 vm_stop(RUN_STATE_SHUTDOWN);
1698 if (qemu_reset_requested()) {
1700 cpu_synchronize_all_states();
1701 qemu_system_reset(VMRESET_REPORT);
1703 if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1704 runstate_check(RUN_STATE_SHUTDOWN)) {
1705 runstate_set(RUN_STATE_PAUSED);
1708 if (qemu_wakeup_requested()) {
1710 cpu_synchronize_all_states();
1711 qemu_system_reset(VMRESET_SILENT);
1713 monitor_protocol_event(QEVENT_WAKEUP, NULL);
1715 if (qemu_powerdown_requested()) {
1716 qemu_system_powerdown();
1718 if (qemu_vmstop_requested(&r)) {
1724 static void main_loop(void)
1728 #ifdef CONFIG_PROFILER
1732 nonblocking = !kvm_enabled() && last_io > 0;
1733 #ifdef CONFIG_PROFILER
1734 ti = profile_getclock();
1736 last_io = main_loop_wait(nonblocking);
1737 #ifdef CONFIG_PROFILER
1738 dev_time += profile_getclock() - ti;
1740 } while (!main_loop_should_exit());
1743 static void version(void)
1745 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1748 static void help(int exitcode)
1751 printf("usage: %s [options] [disk_image]\n\n"
1752 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1753 error_get_progname());
1755 #define QEMU_OPTIONS_GENERATE_HELP
1756 #include "qemu-options-wrapper.h"
1758 printf("\nDuring emulation, the following keys are useful:\n"
1759 "ctrl-alt-f toggle full screen\n"
1760 "ctrl-alt-n switch to virtual console 'n'\n"
1761 "ctrl-alt toggle mouse and keyboard grab\n"
1763 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1768 #define HAS_ARG 0x0001
1770 typedef struct QEMUOption {
1777 static const QEMUOption qemu_options[] = {
1778 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1779 #define QEMU_OPTIONS_GENERATE_OPTIONS
1780 #include "qemu-options-wrapper.h"
1784 static bool vga_available(void)
1786 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1789 static bool cirrus_vga_available(void)
1791 return object_class_by_name("cirrus-vga")
1792 || object_class_by_name("isa-cirrus-vga");
1795 static bool vmware_vga_available(void)
1797 return object_class_by_name("vmware-svga");
1800 static bool qxl_vga_available(void)
1802 return object_class_by_name("qxl-vga");
1805 static void select_vgahw (const char *p)
1809 vga_interface_type = VGA_NONE;
1810 if (strstart(p, "std", &opts)) {
1811 if (vga_available()) {
1812 vga_interface_type = VGA_STD;
1814 fprintf(stderr, "Error: standard VGA not available\n");
1817 } else if (strstart(p, "cirrus", &opts)) {
1818 if (cirrus_vga_available()) {
1819 vga_interface_type = VGA_CIRRUS;
1821 fprintf(stderr, "Error: Cirrus VGA not available\n");
1824 } else if (strstart(p, "vmware", &opts)) {
1825 if (vmware_vga_available()) {
1826 vga_interface_type = VGA_VMWARE;
1828 fprintf(stderr, "Error: VMWare SVGA not available\n");
1831 } else if (strstart(p, "xenfb", &opts)) {
1832 vga_interface_type = VGA_XENFB;
1833 } else if (strstart(p, "qxl", &opts)) {
1834 if (qxl_vga_available()) {
1835 vga_interface_type = VGA_QXL;
1837 fprintf(stderr, "Error: QXL VGA not available\n");
1840 } else if (!strstart(p, "none", &opts)) {
1842 fprintf(stderr, "Unknown vga type: %s\n", p);
1846 const char *nextopt;
1848 if (strstart(opts, ",retrace=", &nextopt)) {
1850 if (strstart(opts, "dumb", &nextopt))
1851 vga_retrace_method = VGA_RETRACE_DUMB;
1852 else if (strstart(opts, "precise", &nextopt))
1853 vga_retrace_method = VGA_RETRACE_PRECISE;
1854 else goto invalid_vga;
1855 } else goto invalid_vga;
1860 static DisplayType select_display(const char *p)
1863 DisplayType display = DT_DEFAULT;
1865 if (strstart(p, "sdl", &opts)) {
1869 const char *nextopt;
1871 if (strstart(opts, ",frame=", &nextopt)) {
1873 if (strstart(opts, "on", &nextopt)) {
1875 } else if (strstart(opts, "off", &nextopt)) {
1878 goto invalid_sdl_args;
1880 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1882 if (strstart(opts, "on", &nextopt)) {
1884 } else if (strstart(opts, "off", &nextopt)) {
1887 goto invalid_sdl_args;
1889 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1891 if (strstart(opts, "on", &nextopt)) {
1893 } else if (strstart(opts, "off", &nextopt)) {
1896 goto invalid_sdl_args;
1898 } else if (strstart(opts, ",window_close=", &nextopt)) {
1900 if (strstart(opts, "on", &nextopt)) {
1902 } else if (strstart(opts, "off", &nextopt)) {
1905 goto invalid_sdl_args;
1909 fprintf(stderr, "Invalid SDL option string: %s\n", p);
1915 fprintf(stderr, "SDL support is disabled\n");
1918 } else if (strstart(p, "vnc", &opts)) {
1923 const char *nextopt;
1925 if (strstart(opts, "=", &nextopt)) {
1926 vnc_display = nextopt;
1930 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1934 fprintf(stderr, "VNC support is disabled\n");
1937 } else if (strstart(p, "curses", &opts)) {
1938 #ifdef CONFIG_CURSES
1939 display = DT_CURSES;
1941 fprintf(stderr, "Curses support is disabled\n");
1944 } else if (strstart(p, "none", &opts)) {
1947 fprintf(stderr, "Unknown display type: %s\n", p);
1954 static int balloon_parse(const char *arg)
1958 if (strcmp(arg, "none") == 0) {
1962 if (!strncmp(arg, "virtio", 6)) {
1963 if (arg[6] == ',') {
1964 /* have params -> parse them */
1965 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1969 /* create empty opts */
1970 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
1972 qemu_opt_set(opts, "driver", "virtio-balloon");
1979 char *qemu_find_file(int type, const char *name)
1985 /* Try the name as a straight path first */
1986 if (access(name, R_OK) == 0) {
1987 return g_strdup(name);
1990 case QEMU_FILE_TYPE_BIOS:
1993 case QEMU_FILE_TYPE_KEYMAP:
1994 subdir = "keymaps/";
1999 len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
2000 buf = g_malloc0(len);
2001 snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
2002 if (access(buf, R_OK)) {
2009 static int device_help_func(QemuOpts *opts, void *opaque)
2011 return qdev_device_help(opts);
2014 static int device_init_func(QemuOpts *opts, void *opaque)
2018 dev = qdev_device_add(opts);
2024 static int chardev_init_func(QemuOpts *opts, void *opaque)
2026 CharDriverState *chr;
2028 chr = qemu_chr_new_from_opts(opts, NULL);
2034 #ifdef CONFIG_VIRTFS
2035 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2038 ret = qemu_fsdev_add(opts);
2044 static int mon_init_func(QemuOpts *opts, void *opaque)
2046 CharDriverState *chr;
2047 const char *chardev;
2051 mode = qemu_opt_get(opts, "mode");
2055 if (strcmp(mode, "readline") == 0) {
2056 flags = MONITOR_USE_READLINE;
2057 } else if (strcmp(mode, "control") == 0) {
2058 flags = MONITOR_USE_CONTROL;
2060 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2064 if (qemu_opt_get_bool(opts, "pretty", 0))
2065 flags |= MONITOR_USE_PRETTY;
2067 if (qemu_opt_get_bool(opts, "default", 0))
2068 flags |= MONITOR_IS_DEFAULT;
2070 chardev = qemu_opt_get(opts, "chardev");
2071 chr = qemu_chr_find(chardev);
2073 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2077 monitor_init(chr, flags);
2081 static void monitor_parse(const char *optarg, const char *mode)
2083 static int monitor_device_index = 0;
2089 if (strstart(optarg, "chardev:", &p)) {
2090 snprintf(label, sizeof(label), "%s", p);
2092 snprintf(label, sizeof(label), "compat_monitor%d",
2093 monitor_device_index);
2094 if (monitor_device_index == 0) {
2097 opts = qemu_chr_parse_compat(label, optarg);
2099 fprintf(stderr, "parse error: %s\n", optarg);
2104 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2106 fprintf(stderr, "duplicate chardev: %s\n", label);
2109 qemu_opt_set(opts, "mode", mode);
2110 qemu_opt_set(opts, "chardev", label);
2112 qemu_opt_set(opts, "default", "on");
2113 monitor_device_index++;
2116 struct device_config {
2118 DEV_USB, /* -usbdevice */
2120 DEV_SERIAL, /* -serial */
2121 DEV_PARALLEL, /* -parallel */
2122 DEV_VIRTCON, /* -virtioconsole */
2123 DEV_DEBUGCON, /* -debugcon */
2124 DEV_GDB, /* -gdb, -s */
2126 const char *cmdline;
2128 QTAILQ_ENTRY(device_config) next;
2130 QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
2132 static void add_device_config(int type, const char *cmdline)
2134 struct device_config *conf;
2136 conf = g_malloc0(sizeof(*conf));
2138 conf->cmdline = cmdline;
2139 loc_save(&conf->loc);
2140 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2143 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2145 struct device_config *conf;
2148 QTAILQ_FOREACH(conf, &device_configs, next) {
2149 if (conf->type != type)
2151 loc_push_restore(&conf->loc);
2152 rc = func(conf->cmdline);
2153 loc_pop(&conf->loc);
2160 static int serial_parse(const char *devname)
2162 static int index = 0;
2165 if (strcmp(devname, "none") == 0)
2167 if (index == MAX_SERIAL_PORTS) {
2168 fprintf(stderr, "qemu: too many serial ports\n");
2171 snprintf(label, sizeof(label), "serial%d", index);
2172 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2173 if (!serial_hds[index]) {
2174 fprintf(stderr, "qemu: could not connect serial device"
2175 " to character backend '%s'\n", devname);
2182 static int parallel_parse(const char *devname)
2184 static int index = 0;
2187 if (strcmp(devname, "none") == 0)
2189 if (index == MAX_PARALLEL_PORTS) {
2190 fprintf(stderr, "qemu: too many parallel ports\n");
2193 snprintf(label, sizeof(label), "parallel%d", index);
2194 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2195 if (!parallel_hds[index]) {
2196 fprintf(stderr, "qemu: could not connect parallel device"
2197 " to character backend '%s'\n", devname);
2204 static int virtcon_parse(const char *devname)
2206 QemuOptsList *device = qemu_find_opts("device");
2207 static int index = 0;
2209 QemuOpts *bus_opts, *dev_opts;
2211 if (strcmp(devname, "none") == 0)
2213 if (index == MAX_VIRTIO_CONSOLES) {
2214 fprintf(stderr, "qemu: too many virtio consoles\n");
2218 bus_opts = qemu_opts_create(device, NULL, 0, NULL);
2219 if (arch_type == QEMU_ARCH_S390X) {
2220 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2222 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2225 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2226 qemu_opt_set(dev_opts, "driver", "virtconsole");
2228 snprintf(label, sizeof(label), "virtcon%d", index);
2229 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2230 if (!virtcon_hds[index]) {
2231 fprintf(stderr, "qemu: could not connect virtio console"
2232 " to character backend '%s'\n", devname);
2235 qemu_opt_set(dev_opts, "chardev", label);
2241 static int debugcon_parse(const char *devname)
2245 if (!qemu_chr_new("debugcon", devname, NULL)) {
2248 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2250 fprintf(stderr, "qemu: already have a debugcon device\n");
2253 qemu_opt_set(opts, "driver", "isa-debugcon");
2254 qemu_opt_set(opts, "chardev", "debugcon");
2258 static QEMUMachine *machine_parse(const char *name)
2260 QEMUMachine *m, *machine = NULL;
2263 machine = find_machine(name);
2268 printf("Supported machines are:\n");
2269 for (m = first_machine; m != NULL; m = m->next) {
2271 printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2273 printf("%-20s %s%s\n", m->name, m->desc,
2274 m->is_default ? " (default)" : "");
2276 exit(!name || !is_help_option(name));
2279 static int tcg_init(void)
2281 tcg_exec_init(tcg_tb_size * 1024 * 1024);
2286 const char *opt_name;
2288 int (*available)(void);
2292 { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2293 { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2294 { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2295 { "qtest", "QTest", qtest_available, qtest_init, &qtest_allowed },
2298 static int configure_accelerator(void)
2300 const char *p = NULL;
2303 bool accel_initialised = 0;
2304 bool init_failed = 0;
2306 QemuOptsList *list = qemu_find_opts("machine");
2307 if (!QTAILQ_EMPTY(&list->head)) {
2308 p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2312 /* Use the default "accelerator", tcg */
2316 while (!accel_initialised && *p != '\0') {
2320 p = get_opt_name(buf, sizeof (buf), p, ':');
2321 for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2322 if (strcmp(accel_list[i].opt_name, buf) == 0) {
2323 *(accel_list[i].allowed) = 1;
2324 ret = accel_list[i].init();
2327 if (!accel_list[i].available()) {
2328 printf("%s not supported for this target\n",
2329 accel_list[i].name);
2331 fprintf(stderr, "failed to initialize %s: %s\n",
2335 *(accel_list[i].allowed) = 0;
2337 accel_initialised = 1;
2342 if (i == ARRAY_SIZE(accel_list)) {
2343 fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2347 if (!accel_initialised) {
2348 fprintf(stderr, "No accelerator found!\n");
2353 fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2356 return !accel_initialised;
2359 void qemu_add_exit_notifier(Notifier *notify)
2361 notifier_list_add(&exit_notifiers, notify);
2364 void qemu_remove_exit_notifier(Notifier *notify)
2366 notifier_remove(notify);
2369 static void qemu_run_exit_notifiers(void)
2371 notifier_list_notify(&exit_notifiers, NULL);
2374 void qemu_add_machine_init_done_notifier(Notifier *notify)
2376 notifier_list_add(&machine_init_done_notifiers, notify);
2379 static void qemu_run_machine_init_done_notifiers(void)
2381 notifier_list_notify(&machine_init_done_notifiers, NULL);
2384 static const QEMUOption *lookup_opt(int argc, char **argv,
2385 const char **poptarg, int *poptind)
2387 const QEMUOption *popt;
2388 int optind = *poptind;
2389 char *r = argv[optind];
2392 loc_set_cmdline(argv, optind, 1);
2394 /* Treat --foo the same as -foo. */
2397 popt = qemu_options;
2400 error_report("invalid option");
2403 if (!strcmp(popt->name, r + 1))
2407 if (popt->flags & HAS_ARG) {
2408 if (optind >= argc) {
2409 error_report("requires an argument");
2412 optarg = argv[optind++];
2413 loc_set_cmdline(argv, optind - 2, 2);
2424 static gpointer malloc_and_trace(gsize n_bytes)
2426 void *ptr = malloc(n_bytes);
2427 trace_g_malloc(n_bytes, ptr);
2431 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2433 void *ptr = realloc(mem, n_bytes);
2434 trace_g_realloc(mem, n_bytes, ptr);
2438 static void free_and_trace(gpointer mem)
2444 int main(int argc, char **argv, char **envp)
2447 int snapshot, linux_boot;
2448 const char *icount_option = NULL;
2449 const char *initrd_filename;
2450 const char *kernel_filename, *kernel_cmdline;
2451 char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2453 DisplayChangeListener *dcl;
2454 int cyls, heads, secs, translation;
2455 QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2456 QemuOptsList *olist;
2459 const char *loadvm = NULL;
2460 QEMUMachine *machine;
2461 const char *cpu_model;
2462 const char *vga_model = "none";
2463 const char *pid_file = NULL;
2464 const char *incoming = NULL;
2466 int show_vnc_port = 0;
2468 bool defconfig = true;
2469 bool userconfig = true;
2470 const char *log_mask = NULL;
2471 const char *log_file = NULL;
2472 GMemVTable mem_trace = {
2473 .malloc = malloc_and_trace,
2474 .realloc = realloc_and_trace,
2475 .free = free_and_trace,
2477 const char *trace_events = NULL;
2478 const char *trace_file = NULL;
2480 atexit(qemu_run_exit_notifiers);
2481 error_set_progname(argv[0]);
2483 g_mem_set_vtable(&mem_trace);
2484 if (!g_thread_supported()) {
2485 #if !GLIB_CHECK_VERSION(2, 31, 0)
2486 g_thread_init(NULL);
2488 fprintf(stderr, "glib threading failed to initialize.\n");
2493 module_call_init(MODULE_INIT_QOM);
2498 rtc_clock = host_clock;
2500 qemu_cache_utils_init(envp);
2502 QLIST_INIT (&vm_change_state_head);
2503 os_setup_early_signal_handling();
2505 module_call_init(MODULE_INIT_MACHINE);
2506 machine = find_default_machine();
2510 cyls = heads = secs = 0;
2511 translation = BIOS_ATA_TRANSLATION_AUTO;
2513 for (i = 0; i < MAX_NODES; i++) {
2515 node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
2523 /* first pass of option parsing */
2525 while (optind < argc) {
2526 if (argv[optind][0] != '-') {
2531 const QEMUOption *popt;
2533 popt = lookup_opt(argc, argv, &optarg, &optind);
2534 switch (popt->index) {
2535 case QEMU_OPTION_nodefconfig:
2538 case QEMU_OPTION_nouserconfig:
2547 ret = qemu_read_default_config_files(userconfig);
2553 /* second pass of option parsing */
2558 if (argv[optind][0] != '-') {
2559 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2561 const QEMUOption *popt;
2563 popt = lookup_opt(argc, argv, &optarg, &optind);
2564 if (!(popt->arch_mask & arch_type)) {
2565 printf("Option %s not supported for this target\n", popt->name);
2568 switch(popt->index) {
2570 machine = machine_parse(optarg);
2572 case QEMU_OPTION_cpu:
2573 /* hw initialization will check this */
2576 case QEMU_OPTION_hda:
2580 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2582 snprintf(buf, sizeof(buf),
2583 "%s,cyls=%d,heads=%d,secs=%d%s",
2584 HD_OPTS , cyls, heads, secs,
2585 translation == BIOS_ATA_TRANSLATION_LBA ?
2587 translation == BIOS_ATA_TRANSLATION_NONE ?
2588 ",trans=none" : "");
2589 drive_add(IF_DEFAULT, 0, optarg, buf);
2592 case QEMU_OPTION_hdb:
2593 case QEMU_OPTION_hdc:
2594 case QEMU_OPTION_hdd:
2595 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2598 case QEMU_OPTION_drive:
2599 if (drive_def(optarg) == NULL) {
2603 case QEMU_OPTION_set:
2604 if (qemu_set_option(optarg) != 0)
2607 case QEMU_OPTION_global:
2608 if (qemu_global_option(optarg) != 0)
2611 case QEMU_OPTION_mtdblock:
2612 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2614 case QEMU_OPTION_sd:
2615 drive_add(IF_SD, 0, optarg, SD_OPTS);
2617 case QEMU_OPTION_pflash:
2618 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2620 case QEMU_OPTION_snapshot:
2623 case QEMU_OPTION_hdachs:
2627 cyls = strtol(p, (char **)&p, 0);
2628 if (cyls < 1 || cyls > 16383)
2633 heads = strtol(p, (char **)&p, 0);
2634 if (heads < 1 || heads > 16)
2639 secs = strtol(p, (char **)&p, 0);
2640 if (secs < 1 || secs > 63)
2644 if (!strcmp(p, "none"))
2645 translation = BIOS_ATA_TRANSLATION_NONE;
2646 else if (!strcmp(p, "lba"))
2647 translation = BIOS_ATA_TRANSLATION_LBA;
2648 else if (!strcmp(p, "auto"))
2649 translation = BIOS_ATA_TRANSLATION_AUTO;
2652 } else if (*p != '\0') {
2654 fprintf(stderr, "qemu: invalid physical CHS format\n");
2657 if (hda_opts != NULL) {
2659 snprintf(num, sizeof(num), "%d", cyls);
2660 qemu_opt_set(hda_opts, "cyls", num);
2661 snprintf(num, sizeof(num), "%d", heads);
2662 qemu_opt_set(hda_opts, "heads", num);
2663 snprintf(num, sizeof(num), "%d", secs);
2664 qemu_opt_set(hda_opts, "secs", num);
2665 if (translation == BIOS_ATA_TRANSLATION_LBA)
2666 qemu_opt_set(hda_opts, "trans", "lba");
2667 if (translation == BIOS_ATA_TRANSLATION_NONE)
2668 qemu_opt_set(hda_opts, "trans", "none");
2672 case QEMU_OPTION_numa:
2673 if (nb_numa_nodes >= MAX_NODES) {
2674 fprintf(stderr, "qemu: too many NUMA nodes\n");
2679 case QEMU_OPTION_display:
2680 display_type = select_display(optarg);
2682 case QEMU_OPTION_nographic:
2683 display_type = DT_NOGRAPHIC;
2685 case QEMU_OPTION_curses:
2686 #ifdef CONFIG_CURSES
2687 display_type = DT_CURSES;
2689 fprintf(stderr, "Curses support is disabled\n");
2693 case QEMU_OPTION_portrait:
2694 graphic_rotate = 90;
2696 case QEMU_OPTION_rotate:
2697 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2698 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2699 graphic_rotate != 180 && graphic_rotate != 270) {
2701 "qemu: only 90, 180, 270 deg rotation is available\n");
2705 case QEMU_OPTION_kernel:
2706 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2708 case QEMU_OPTION_initrd:
2709 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2711 case QEMU_OPTION_append:
2712 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2714 case QEMU_OPTION_dtb:
2715 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2717 case QEMU_OPTION_cdrom:
2718 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2720 case QEMU_OPTION_boot:
2722 static const char * const params[] = {
2723 "order", "once", "menu",
2724 "splash", "splash-time",
2725 "reboot-timeout", NULL
2727 char buf[sizeof(boot_devices)];
2728 char *standard_boot_devices;
2731 if (!strchr(optarg, '=')) {
2733 pstrcpy(buf, sizeof(buf), optarg);
2734 } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2736 "qemu: unknown boot parameter '%s' in '%s'\n",
2742 get_param_value(buf, sizeof(buf), "order", optarg)) {
2743 validate_bootdevices(buf);
2744 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2747 if (get_param_value(buf, sizeof(buf),
2749 validate_bootdevices(buf);
2750 standard_boot_devices = g_strdup(boot_devices);
2751 pstrcpy(boot_devices, sizeof(boot_devices), buf);
2752 qemu_register_reset(restore_boot_devices,
2753 standard_boot_devices);
2755 if (get_param_value(buf, sizeof(buf),
2757 if (!strcmp(buf, "on")) {
2759 } else if (!strcmp(buf, "off")) {
2763 "qemu: invalid option value '%s'\n",
2768 qemu_opts_parse(qemu_find_opts("boot-opts"),
2773 case QEMU_OPTION_fda:
2774 case QEMU_OPTION_fdb:
2775 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2778 case QEMU_OPTION_no_fd_bootchk:
2781 case QEMU_OPTION_netdev:
2782 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2786 case QEMU_OPTION_net:
2787 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2791 #ifdef CONFIG_LIBISCSI
2792 case QEMU_OPTION_iscsi:
2793 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2800 case QEMU_OPTION_tftp:
2801 legacy_tftp_prefix = optarg;
2803 case QEMU_OPTION_bootp:
2804 legacy_bootp_filename = optarg;
2806 case QEMU_OPTION_redir:
2807 if (net_slirp_redir(optarg) < 0)
2811 case QEMU_OPTION_bt:
2812 add_device_config(DEV_BT, optarg);
2814 case QEMU_OPTION_audio_help:
2815 if (!(audio_available())) {
2816 printf("Option %s not supported for this target\n", popt->name);
2822 case QEMU_OPTION_soundhw:
2823 if (!(audio_available())) {
2824 printf("Option %s not supported for this target\n", popt->name);
2827 select_soundhw (optarg);
2832 case QEMU_OPTION_version:
2836 case QEMU_OPTION_m: {
2841 value = strtosz(optarg, &end);
2842 if (value < 0 || *end) {
2843 fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2846 sz = QEMU_ALIGN_UP((uint64_t)value, 8192);
2848 if (ram_size != sz) {
2849 fprintf(stderr, "qemu: ram size too large\n");
2854 case QEMU_OPTION_mempath:
2858 case QEMU_OPTION_mem_prealloc:
2869 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2871 case QEMU_OPTION_gdb:
2872 add_device_config(DEV_GDB, optarg);
2877 case QEMU_OPTION_bios:
2880 case QEMU_OPTION_singlestep:
2887 keyboard_layout = optarg;
2889 case QEMU_OPTION_localtime:
2892 case QEMU_OPTION_vga:
2901 w = strtol(p, (char **)&p, 10);
2904 fprintf(stderr, "qemu: invalid resolution or depth\n");
2910 h = strtol(p, (char **)&p, 10);
2915 depth = strtol(p, (char **)&p, 10);
2916 if (depth != 8 && depth != 15 && depth != 16 &&
2917 depth != 24 && depth != 32)
2919 } else if (*p == '\0') {
2920 depth = graphic_depth;
2927 graphic_depth = depth;
2930 case QEMU_OPTION_echr:
2933 term_escape_char = strtol(optarg, &r, 0);
2935 printf("Bad argument to echr\n");
2938 case QEMU_OPTION_monitor:
2939 monitor_parse(optarg, "readline");
2940 default_monitor = 0;
2942 case QEMU_OPTION_qmp:
2943 monitor_parse(optarg, "control");
2944 default_monitor = 0;
2946 case QEMU_OPTION_mon:
2947 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2951 default_monitor = 0;
2953 case QEMU_OPTION_chardev:
2954 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2959 case QEMU_OPTION_fsdev:
2960 olist = qemu_find_opts("fsdev");
2962 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2965 opts = qemu_opts_parse(olist, optarg, 1);
2967 fprintf(stderr, "parse error: %s\n", optarg);
2971 case QEMU_OPTION_virtfs: {
2974 const char *writeout, *sock_fd, *socket;
2976 olist = qemu_find_opts("virtfs");
2978 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2981 opts = qemu_opts_parse(olist, optarg, 1);
2983 fprintf(stderr, "parse error: %s\n", optarg);
2987 if (qemu_opt_get(opts, "fsdriver") == NULL ||
2988 qemu_opt_get(opts, "mount_tag") == NULL) {
2989 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2992 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2993 qemu_opt_get(opts, "mount_tag"),
2996 fprintf(stderr, "duplicate fsdev id: %s\n",
2997 qemu_opt_get(opts, "mount_tag"));
3001 writeout = qemu_opt_get(opts, "writeout");
3003 #ifdef CONFIG_SYNC_FILE_RANGE
3004 qemu_opt_set(fsdev, "writeout", writeout);
3006 fprintf(stderr, "writeout=immediate not supported on "
3011 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3012 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3013 qemu_opt_set(fsdev, "security_model",
3014 qemu_opt_get(opts, "security_model"));
3015 socket = qemu_opt_get(opts, "socket");
3017 qemu_opt_set(fsdev, "socket", socket);
3019 sock_fd = qemu_opt_get(opts, "sock_fd");
3021 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3024 qemu_opt_set_bool(fsdev, "readonly",
3025 qemu_opt_get_bool(opts, "readonly", 0));
3026 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3028 qemu_opt_set(device, "driver", "virtio-9p-pci");
3029 qemu_opt_set(device, "fsdev",
3030 qemu_opt_get(opts, "mount_tag"));
3031 qemu_opt_set(device, "mount_tag",
3032 qemu_opt_get(opts, "mount_tag"));
3035 case QEMU_OPTION_virtfs_synth: {
3039 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3042 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3045 qemu_opt_set(fsdev, "fsdriver", "synth");
3047 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3049 qemu_opt_set(device, "driver", "virtio-9p-pci");
3050 qemu_opt_set(device, "fsdev", "v_synth");
3051 qemu_opt_set(device, "mount_tag", "v_synth");
3054 case QEMU_OPTION_serial:
3055 add_device_config(DEV_SERIAL, optarg);
3057 if (strncmp(optarg, "mon:", 4) == 0) {
3058 default_monitor = 0;
3061 case QEMU_OPTION_watchdog:
3064 "qemu: only one watchdog option may be given\n");
3069 case QEMU_OPTION_watchdog_action:
3070 if (select_watchdog_action(optarg) == -1) {
3071 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3075 case QEMU_OPTION_virtiocon:
3076 add_device_config(DEV_VIRTCON, optarg);
3077 default_virtcon = 0;
3078 if (strncmp(optarg, "mon:", 4) == 0) {
3079 default_monitor = 0;
3082 case QEMU_OPTION_parallel:
3083 add_device_config(DEV_PARALLEL, optarg);
3084 default_parallel = 0;
3085 if (strncmp(optarg, "mon:", 4) == 0) {
3086 default_monitor = 0;
3089 case QEMU_OPTION_debugcon:
3090 add_device_config(DEV_DEBUGCON, optarg);
3092 case QEMU_OPTION_loadvm:
3095 case QEMU_OPTION_full_screen:
3099 case QEMU_OPTION_no_frame:
3102 case QEMU_OPTION_alt_grab:
3105 case QEMU_OPTION_ctrl_grab:
3108 case QEMU_OPTION_no_quit:
3111 case QEMU_OPTION_sdl:
3112 display_type = DT_SDL;
3115 case QEMU_OPTION_no_frame:
3116 case QEMU_OPTION_alt_grab:
3117 case QEMU_OPTION_ctrl_grab:
3118 case QEMU_OPTION_no_quit:
3119 case QEMU_OPTION_sdl:
3120 fprintf(stderr, "SDL support is disabled\n");
3123 case QEMU_OPTION_pidfile:
3126 case QEMU_OPTION_win2k_hack:
3127 win2k_install_hack = 1;
3129 case QEMU_OPTION_rtc_td_hack: {
3130 static GlobalProperty slew_lost_ticks[] = {
3132 .driver = "mc146818rtc",
3133 .property = "lost_tick_policy",
3136 { /* end of list */ }
3139 qdev_prop_register_global_list(slew_lost_ticks);
3142 case QEMU_OPTION_acpitable:
3143 do_acpitable_option(optarg);
3145 case QEMU_OPTION_smbios:
3146 do_smbios_option(optarg);
3148 case QEMU_OPTION_enable_kvm:
3149 olist = qemu_find_opts("machine");
3150 qemu_opts_parse(olist, "accel=kvm", 0);
3152 case QEMU_OPTION_machine:
3153 olist = qemu_find_opts("machine");
3154 opts = qemu_opts_parse(olist, optarg, 1);
3156 fprintf(stderr, "parse error: %s\n", optarg);
3159 optarg = qemu_opt_get(opts, "type");
3161 machine = machine_parse(optarg);
3164 case QEMU_OPTION_usb:
3165 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3167 qemu_opt_set_bool(machine_opts, "usb", true);
3170 case QEMU_OPTION_usbdevice:
3171 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3173 qemu_opt_set_bool(machine_opts, "usb", true);
3175 add_device_config(DEV_USB, optarg);
3177 case QEMU_OPTION_device:
3178 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3182 case QEMU_OPTION_smp:
3185 fprintf(stderr, "Invalid number of CPUs\n");
3188 if (max_cpus < smp_cpus) {
3189 fprintf(stderr, "maxcpus must be equal to or greater than "
3193 if (max_cpus > 255) {
3194 fprintf(stderr, "Unsupported number of maxcpus\n");
3198 case QEMU_OPTION_vnc:
3201 vnc_display = optarg;
3203 fprintf(stderr, "VNC support is disabled\n");
3207 case QEMU_OPTION_no_acpi:
3210 case QEMU_OPTION_no_hpet:
3213 case QEMU_OPTION_balloon:
3214 if (balloon_parse(optarg) < 0) {
3215 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3219 case QEMU_OPTION_no_reboot:
3222 case QEMU_OPTION_no_shutdown:
3225 case QEMU_OPTION_show_cursor:
3228 case QEMU_OPTION_uuid:
3229 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3230 fprintf(stderr, "Fail to parse UUID string."
3231 " Wrong format.\n");
3235 case QEMU_OPTION_option_rom:
3236 if (nb_option_roms >= MAX_OPTION_ROMS) {
3237 fprintf(stderr, "Too many option ROMs\n");
3240 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3241 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3242 option_rom[nb_option_roms].bootindex =
3243 qemu_opt_get_number(opts, "bootindex", -1);
3244 if (!option_rom[nb_option_roms].name) {
3245 fprintf(stderr, "Option ROM file is not specified\n");
3250 case QEMU_OPTION_semihosting:
3251 semihosting_enabled = 1;
3253 case QEMU_OPTION_name:
3254 qemu_name = g_strdup(optarg);
3256 char *p = strchr(qemu_name, ',');
3259 if (strncmp(p, "process=", 8)) {
3260 fprintf(stderr, "Unknown subargument %s to -name\n", p);
3264 os_set_proc_name(p);
3268 case QEMU_OPTION_prom_env:
3269 if (nb_prom_envs >= MAX_PROM_ENVS) {
3270 fprintf(stderr, "Too many prom variables\n");
3273 prom_envs[nb_prom_envs] = optarg;
3276 case QEMU_OPTION_old_param:
3279 case QEMU_OPTION_clock:
3280 configure_alarms(optarg);
3282 case QEMU_OPTION_startdate:
3283 configure_rtc_date_offset(optarg, 1);
3285 case QEMU_OPTION_rtc:
3286 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3290 configure_rtc(opts);
3292 case QEMU_OPTION_tb_size:
3293 tcg_tb_size = strtol(optarg, NULL, 0);
3294 if (tcg_tb_size < 0) {
3298 case QEMU_OPTION_icount:
3299 icount_option = optarg;
3301 case QEMU_OPTION_incoming:
3303 runstate_set(RUN_STATE_INMIGRATE);
3305 case QEMU_OPTION_nodefaults:
3307 default_parallel = 0;
3308 default_virtcon = 0;
3309 default_monitor = 0;
3316 case QEMU_OPTION_xen_domid:
3317 if (!(xen_available())) {
3318 printf("Option %s not supported for this target\n", popt->name);
3321 xen_domid = atoi(optarg);
3323 case QEMU_OPTION_xen_create:
3324 if (!(xen_available())) {
3325 printf("Option %s not supported for this target\n", popt->name);
3328 xen_mode = XEN_CREATE;
3330 case QEMU_OPTION_xen_attach:
3331 if (!(xen_available())) {
3332 printf("Option %s not supported for this target\n", popt->name);
3335 xen_mode = XEN_ATTACH;
3337 case QEMU_OPTION_trace:
3339 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3343 trace_events = qemu_opt_get(opts, "events");
3344 trace_file = qemu_opt_get(opts, "file");
3347 case QEMU_OPTION_readconfig:
3349 int ret = qemu_read_config_file(optarg);
3351 fprintf(stderr, "read config %s: %s\n", optarg,
3357 case QEMU_OPTION_spice:
3358 olist = qemu_find_opts("spice");
3360 fprintf(stderr, "spice is not supported by this qemu build.\n");
3363 opts = qemu_opts_parse(olist, optarg, 0);
3365 fprintf(stderr, "parse error: %s\n", optarg);
3369 case QEMU_OPTION_writeconfig:
3372 if (strcmp(optarg, "-") == 0) {
3375 fp = fopen(optarg, "w");
3377 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3381 qemu_config_write(fp);
3385 case QEMU_OPTION_qtest:
3386 qtest_chrdev = optarg;
3388 case QEMU_OPTION_qtest_log:
3391 case QEMU_OPTION_sandbox:
3392 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3397 case QEMU_OPTION_add_fd:
3399 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3404 error_report("File descriptor passing is disabled on this "
3410 os_parse_cmd_args(popt->index, optarg);
3416 qemu_init_cpu_loop();
3417 if (qemu_init_main_loop()) {
3418 fprintf(stderr, "qemu_init_main_loop failed\n");
3422 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3427 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3431 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3436 if (machine == NULL) {
3437 fprintf(stderr, "No machine found.\n");
3441 if (machine->hw_version) {
3442 qemu_set_version(machine->hw_version);
3445 /* Init CPU def lists, based on config
3446 * - Must be called after all the qemu_read_config_file() calls
3447 * - Must be called before list_cpus()
3448 * - Must be called before machine->init()
3452 if (cpu_model && is_help_option(cpu_model)) {
3453 list_cpus(stdout, &fprintf, cpu_model);
3457 /* Open the logfile at this point, if necessary. We can't open the logfile
3458 * when encountering either of the logging options (-d or -D) because the
3459 * other one may be encountered later on the command line, changing the
3460 * location or level of logging.
3464 set_cpu_log_filename(log_file);
3466 set_cpu_log(log_mask);
3469 if (!trace_backend_init(trace_events, trace_file)) {
3473 /* If no data_dir is specified then try to find it relative to the
3476 data_dir = os_find_datadir(argv[0]);
3478 /* If all else fails use the install path specified when building. */
3480 data_dir = CONFIG_QEMU_DATADIR;
3484 * Default to max_cpus = smp_cpus, in case the user doesn't
3485 * specify a max_cpus value.
3488 max_cpus = smp_cpus;
3490 machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3491 if (smp_cpus > machine->max_cpus) {
3492 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3493 "supported by machine `%s' (%d)\n", smp_cpus, machine->name,
3499 * Get the default machine options from the machine if it is not already
3500 * specified either by the configuration file or by the command line.
3502 if (machine->default_machine_opts) {
3503 qemu_opts_set_defaults(qemu_find_opts("machine"),
3504 machine->default_machine_opts, 0);
3507 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3508 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3510 if (machine->no_serial) {
3513 if (machine->no_parallel) {
3514 default_parallel = 0;
3516 if (!machine->use_virtcon) {
3517 default_virtcon = 0;
3519 if (machine->no_floppy) {
3522 if (machine->no_cdrom) {
3525 if (machine->no_sdcard) {
3529 if (display_type == DT_NOGRAPHIC) {
3530 if (default_parallel)
3531 add_device_config(DEV_PARALLEL, "null");
3532 if (default_serial && default_monitor) {
3533 add_device_config(DEV_SERIAL, "mon:stdio");
3534 } else if (default_virtcon && default_monitor) {
3535 add_device_config(DEV_VIRTCON, "mon:stdio");
3538 add_device_config(DEV_SERIAL, "stdio");
3539 if (default_virtcon)
3540 add_device_config(DEV_VIRTCON, "stdio");
3541 if (default_monitor)
3542 monitor_parse("stdio", "readline");
3546 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3547 if (default_parallel)
3548 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3549 if (default_monitor)
3550 monitor_parse("vc:80Cx24C", "readline");
3551 if (default_virtcon)
3552 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3557 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3559 #ifdef CONFIG_VIRTFS
3560 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3567 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3572 /* init the memory */
3573 if (ram_size == 0) {
3574 ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3577 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
3582 configure_accelerator();
3584 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3586 kernel_filename = qemu_opt_get(machine_opts, "kernel");
3587 initrd_filename = qemu_opt_get(machine_opts, "initrd");
3588 kernel_cmdline = qemu_opt_get(machine_opts, "append");
3590 kernel_filename = initrd_filename = kernel_cmdline = NULL;
3593 if (!kernel_cmdline) {
3594 kernel_cmdline = "";
3597 linux_boot = (kernel_filename != NULL);
3599 if (!linux_boot && *kernel_cmdline != '\0') {
3600 fprintf(stderr, "-append only allowed with -kernel option\n");
3604 if (!linux_boot && initrd_filename != NULL) {
3605 fprintf(stderr, "-initrd only allowed with -kernel option\n");
3609 if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3610 fprintf(stderr, "-dtb only allowed with -kernel option\n");
3614 os_set_line_buffering();
3616 if (init_timer_alarm() < 0) {
3617 fprintf(stderr, "could not initialize alarm timer\n");
3622 /* spice needs the timers to be initialized by this point */
3626 if (icount_option && (kvm_enabled() || xen_enabled())) {
3627 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3630 configure_icount(icount_option);
3632 if (net_init_clients() < 0) {
3636 /* init the bluetooth world */
3637 if (foreach_device_config(DEV_BT, bt_parse))
3640 if (!xen_enabled()) {
3641 /* On 32-bit hosts, QEMU is limited by virtual address space */
3642 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3643 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3648 cpu_exec_init_all();
3650 bdrv_init_with_whitelist();
3654 /* open the virtual block devices */
3656 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3657 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3660 default_drive(default_cdrom, snapshot, machine->use_scsi,
3661 IF_DEFAULT, 2, CDROM_OPTS);
3662 default_drive(default_floppy, snapshot, machine->use_scsi,
3663 IF_FLOPPY, 0, FD_OPTS);
3664 default_drive(default_sdcard, snapshot, machine->use_scsi,
3667 register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
3669 if (nb_numa_nodes > 0) {
3672 if (nb_numa_nodes > MAX_NODES) {
3673 nb_numa_nodes = MAX_NODES;
3676 /* If no memory size if given for any node, assume the default case
3677 * and distribute the available memory equally across all nodes
3679 for (i = 0; i < nb_numa_nodes; i++) {
3680 if (node_mem[i] != 0)
3683 if (i == nb_numa_nodes) {
3684 uint64_t usedmem = 0;
3686 /* On Linux, the each node's border has to be 8MB aligned,
3687 * the final node gets the rest.
3689 for (i = 0; i < nb_numa_nodes - 1; i++) {
3690 node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3691 usedmem += node_mem[i];
3693 node_mem[i] = ram_size - usedmem;
3696 for (i = 0; i < nb_numa_nodes; i++) {
3697 if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
3701 /* assigning the VCPUs round-robin is easier to implement, guest OSes
3702 * must cope with this anyway, because there are BIOSes out there in
3703 * real machines which also use this scheme.
3705 if (i == nb_numa_nodes) {
3706 for (i = 0; i < max_cpus; i++) {
3707 set_bit(i, node_cpumask[i % nb_numa_nodes]);
3712 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3716 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3718 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3720 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3722 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3725 /* If no default VGA is requested, the default is "none". */
3727 if (cirrus_vga_available()) {
3728 vga_model = "cirrus";
3729 } else if (vga_available()) {
3733 select_vgahw(vga_model);
3736 i = select_watchdog(watchdog);
3738 exit (i == 1 ? 1 : 0);
3741 if (machine->compat_props) {
3742 qdev_prop_register_global_list(machine->compat_props);
3746 qdev_machine_init();
3748 QEMUMachineInitArgs args = { .ram_size = ram_size,
3749 .boot_device = boot_devices,
3750 .kernel_filename = kernel_filename,
3751 .kernel_cmdline = kernel_cmdline,
3752 .initrd_filename = initrd_filename,
3753 .cpu_model = cpu_model };
3754 machine->init(&args);
3756 cpu_synchronize_all_post_init();
3760 current_machine = machine;
3762 /* init USB devices */
3763 if (usb_enabled(false)) {
3764 if (foreach_device_config(DEV_USB, usb_parse) < 0)
3768 /* init generic devices */
3769 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3772 net_check_clients();
3774 /* just use the first displaystate for the moment */
3775 ds = get_displaystate();
3779 if (display_type == DT_DEFAULT && !display_remote) {
3780 #if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3781 display_type = DT_SDL;
3782 #elif defined(CONFIG_VNC)
3783 vnc_display = "localhost:0,to=99";
3786 display_type = DT_NONE;
3791 /* init local displays */
3792 switch (display_type) {
3795 #if defined(CONFIG_CURSES)
3797 if (!is_daemonized()) {
3798 curses_display_init(ds, full_screen);
3802 #if defined(CONFIG_SDL)
3804 sdl_display_init(ds, full_screen, no_frame);
3806 #elif defined(CONFIG_COCOA)
3808 cocoa_display_init(ds, full_screen);
3815 /* must be after terminal init, SDL library changes signal handlers */
3816 os_setup_signal_handling();
3819 /* init remote displays */
3821 Error *local_err = NULL;
3822 vnc_display_init(ds);
3823 vnc_display_open(ds, vnc_display, &local_err);
3824 if (local_err != NULL) {
3825 fprintf(stderr, "Failed to start VNC server on `%s': %s\n",
3826 vnc_display, error_get_pretty(local_err));
3827 error_free(local_err);
3831 if (show_vnc_port) {
3832 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3837 if (using_spice && !qxl_enabled) {
3838 qemu_spice_display_init(ds);
3844 dcl = ds->listeners;
3845 while (dcl != NULL) {
3846 if (dcl->dpy_refresh != NULL) {
3847 ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3848 qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3853 text_consoles_set_display(ds);
3855 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3859 qdev_machine_creation_done();
3861 if (rom_load_all() != 0) {
3862 fprintf(stderr, "rom loading failed\n");
3866 /* TODO: once all bus devices are qdevified, this should be done
3867 * when bus is created by qdev.c */
3868 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3869 qemu_run_machine_init_done_notifiers();
3871 qemu_system_reset(VMRESET_SILENT);
3873 if (load_vmstate(loadvm) < 0) {
3879 Error *local_err = NULL;
3880 qemu_start_incoming_migration(incoming, &local_err);
3882 fprintf(stderr, "-incoming %s: %s\n", incoming, error_get_pretty(local_err));
3883 error_free(local_err);
3886 } else if (autostart) {